v3.26.1
Note 4 - Restructuring (Details Textual) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 28, 2026
Jun. 29, 2025
Jun. 28, 2026
Jun. 29, 2025
Restructuring Charges $ 1.6 $ 2.0 $ 3.8 $ 1.8
Restructuring and Related Cost, Accelerated Depreciation 0.0 1.7 0.0 1.7
Gas Cylinders Segment [Member]        
Restructuring Charges 1.4   3.6  
Restructuring and Related Cost, Accelerated Depreciation 0.0 $ 1.7 0.0 $ 1.7
Elektron Segment [Member]        
Restructuring Charges 0.1   $ 0.2  
Superform Segment [Member]        
Restructuring Charges $ 0.1